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2tan^(-1)(cosx)=tan^(-1)(2cosecx)...

`2tan^(-1)(cosx)=tan^(-1)(2cosecx)`

A

`2sqrt(2)`

B

`sqrt(2)`

C

`(1)/(sqrt(2))`

D

`(1)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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